/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at http://sourceforge.net/projects/dcm4che.
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 2006
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package org.dcm4chex.archive.tools;

import java.security.MessageDigest;

import org.dcm4che.util.Base64;

/**
 * @author Gunter Zeilinger <gunterze@gmail.com>
 * @version $Id: Pwd2Hash.java 3122 2007-02-15 17:35:26Z gunterze $
 * @since Feb 15, 2007
 */
public class Pwd2Hash {

    public static void main(String[] args) {
        if ( args.length < 1 ) {
            System.out.println("USAGE: Pwd2Hash <readable password>");
        } else {
            try {
                String hash = Base64.byteArrayToBase64(createHash(args[0]));
                System.out.println("Hashed password:"+hash);
            } catch (Exception x) {
                System.out.println("Cant create SHA1 hash"+x.getMessage());
                x.printStackTrace();
            }
        }
    }

    public static final byte[] createHash(String value) throws Exception
    {
           final MessageDigest digest = MessageDigest.getInstance("SHA");
           byte[] hashBytes = digest.digest((value).getBytes("UTF-8"));
           return hashBytes;
    }
    
}
